From 202f7680af1563516a057f884cea30be94d3014f Mon Sep 17 00:00:00 2001
From: Josh Cartwright <joshc@codeaurora.org>
Date: Wed, 5 Mar 2014 13:34:25 -0600
Subject: [PATCH] mfd: pm8921: Fixup probe() error path when irq invalid

platform_get_irq() returns a negative error code when an IRQ is invalid
or unspecified.  Make 'irq' signed to properly handle this.

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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